
.selected{
    height: 300px;
    width: 300px;
    background-color: purple;
}
/*并集选择器*/
.select1,.select2{
    height: 100px;
    width: 100px;
    background-color: blue;
}
.item-0{
    background-color: green;
    color: red;
}
.item-1{
    background-color: darkblue;
    color: red;
}
.item-2{
    background-color: cornflowerblue;
    color: red;
}
.divClass{
    height: 300px;
    width: 300px;
    background-color: purple;
    border: 1px black;
}